The Cake Girls get an order for a groom's cake modeled after a Persian fountain. First item on their list -- find out what a Persian fountain looks like. A couple asks the ladies of Cake Alchemy to create a 3-D luxury car cake for their engagement party. Christopher Garren's Cakes is tasked with incorporating the bride's wedding dress design into an otherwise white wedding cake. Chris is busy with bridal meetings, so it's up to Marjie, Lindsey and "Oh Interns" to pull this one off.